chromium/third_party/xnnpack/src/src/xnnpack/requantization.h

// Copyright (c) Facebook, Inc. and its affiliates.
// All rights reserved.
//
// Copyright 2019 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.

#pragma once

#include <assert.h>
#include <math.h>
#include <stddef.h>
#include <stdint.h>

#include "xnnpack/common.h"
#include "xnnpack/math.h"
#include "xnnpack/microparams.h"


xnn_qs8_requantize_fn;

xnn_qu8_requantize_fn;

static inline int8_t xnn_qs8_requantize_fp32(
  int32_t input,
  float scale,
  int8_t zero_point,
  int8_t min,
  int8_t max)
{ … }

static inline uint8_t xnn_qu8_requantize_fp32(
  int32_t input,
  float scale,
  uint8_t zero_point,
  uint8_t min,
  uint8_t max)
{ … }

static inline int8_t xnn_qs8_requantize_rndna(
  int32_t input,
  float scale,
  int8_t zero_point,
  int8_t min,
  int8_t max)
{ … }

static inline uint8_t xnn_qu8_requantize_rndna(
  int32_t input,
  float scale,
  uint8_t zero_point,
  uint8_t min,
  uint8_t max)
{ … }

static inline int8_t xnn_qs8_requantize_rndnu(
  int32_t input,
  float scale,
  int8_t zero_point,
  int8_t min,
  int8_t max)
{ … }

static inline uint8_t xnn_qu8_requantize_rndnu(
  int32_t input,
  float scale,
  uint8_t zero_point,
  uint8_t min,
  uint8_t max)
{ … }

static inline uint8_t xnn_qu8_quantize_add(
  uint8_t a, uint8_t b,
  union xnn_qu8_add_minmax_params params)
{ … }

static inline int8_t xnn_qs8_quantize_add(
  int8_t a, int8_t b,
  union xnn_qs8_add_minmax_params params)
{ … }

inline static int8_t xnn_qs8_quantize(float val, float scale, int32_t zero_point)
{ … }

inline static uint8_t xnn_qu8_quantize(float val, float scale, int32_t zero_point)
{ … }